In the realm of electrical distribution systems, the ACB (Air Circuit Breaker) Fixed Type stands as a crucial component, ensuring the smooth and safe flow of electricity. This article delves into the working principles, features, and applications of the ACB Fixed Type, highlighting its significance in modern power networks.
Working Principles of ACB Fixed Type
The ACB Fixed Type operates on the principle of air interruption. When a fault occurs in the electrical system, such as a short circuit or overload, the breaker senses the abnormal current flow and trips the mechanism. This action opens the contacts, interrupting the current flow and isolating the faulted section from the rest of the system. The tripping mechanism of the ACB Fixed Type is typically actuated by a solenoid or thermal-magnetic element. The solenoid trip mechanism relies on the magnetic force generated by the fault current to pull the trip lever, opening the contacts. On the other hand, the thermal-magnetic trip element combines the thermal and magnetic effects of the fault current to trip the breaker.
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